Who Needs Serotonin Nutrients Do you regularly experience stressful moments, struggle with recurring infections or experience unhealthy levels of inflammation? If so, you may not be producing healthy levels of serotonin. This is because in times of stress, infections or inflammation, your body uses tryptophan to support a healthy immune response. Modern living affects our mood, sleep, cravings and digestion. Research is indicating that common lifestyle factors are decreasing levels of serotonin. Why are serotonin levels important? Serotonin is the neurotransmitter that: -Supports healthy levels of inflammation -Supports normal feelings of calm and happiness -Supports healthy sleep duration as serotonin converts to melatonin -Supports healthy libido vs excessive desire -Supports healthy duration of male orgasm vs premature -Supports relaxation vs being obsessive or compulsive about things -Is found in your gut in high amounts where it supports healthy appetite -Supports healthy movement of your stool through your digestive tract